A Funny, Squirmy Feeling (E01)

Shy college student and otaku Miyako lives at home. One spring day, her little sister, Hinata, brings home a new friend she made at elementary school. From the moment Miyako sees Hana-chan, her heart won't stop racing! Desperate to make friends with the angelic Hana-chan, Miyako uses her skill at making sweets to try to lure her in, but... (Crunchyroll)